Datasheet > DB2521B

DB2521B

更新时间： 2023-12-06 20:03:11

品牌	Logo	应用领域
日本长野 - NKK		/
页数	文件大小	规格书
6页	541K
描述
Light Touch Miniature Pushbuttons

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数据手册

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DB2521B 数据手册

Series DB

Light Touch Miniature Pushbuttons

General Speciﬁcations

Electrical Capacity (Resistive Load)

Logic Level:

0.4VA maximum @ 28V AC/DC maximum

(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)

Note: Find additional explanation of operating range in Supplement section.

Other Ratings

Contact Resistance:

Insulation Resistance:

Dielectric Strength:

50 milliohms maximum

1,000 megohms minimum @ 500V DC

1,000V AC minimum between contacts for 1 minute minimum;

1,500V AC minimum between contacts & case for 1 minute minimum

200,000 operations minimum

Mechanical Life:

Electrical Life:

100,000 operations minimum

Nominal Operating Force:

Single Pole: 1.96N

Double Pole: 2.94N

Travel:

Pretravel .020” (0.5mm); Overtravel .020” (0.5mm); Total Travel .039” (1.0mm)

Materials & Finishes

Plunger:

Brass with nickel plating

Stainless steel

Bushing:

Frame:

Case:

Glass ﬁber reinforced polyamide

Copper with gold plating

Phosphor bronze with gold plating

Brass with gold plating

Movable Contacts:

Stationary Contacts:

Terminals:

Environmental Data

Operating Temp Range:

Humidity:

–10°C through +70°C (+14°F through +158°F)

90 ~ 95% humidity for 96 hours @ 40°C (104°F)

Vibration:

10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning

in 1 minute; 3 right angled directions for 2 hours

Shock:

50G (490m/s²) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)

Installation

Mounting Torque:

Cap Installation Force:

1.47Nm (13.0 lb•in) for double nut; 0.68Nm (6.0 lb•in) for single nut

78.5N (17.65 lbf) maximum downward force on actuator

PCB Processing

Soldering:

Wave Soldering Recommended. See Proﬁle A in Supplement section.

Manual Soldering: See Proﬁle B in Supplement section.

Cleaning:

These devices are not process sealed. Hand clean locally using alcohol based solution.

Standards & Certifications

The DB Series pushbuttons have not been tested for UL recognition or CSA certiﬁcation.

These switches are designed for use in low-voltage, low-current, logic-level circuit.

When used as intended in a logic-level circuit, the results do not produce hazardous energy.

C18

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